Fix scala style

Author: HeartSaVioR

sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/HDFSBackedStateStoreProvider.scala

@@ -18,14 +18,14 @@
 package org.apache.spark.sql.execution.streaming.state
 
 import java.io._
+import java.util
 import java.util.Locale
 
 import scala.collection.JavaConverters._
 import scala.collection.mutable
 import scala.util.control.NonFatal
 
 import com.google.common.io.ByteStreams
-import java.util
 import org.apache.commons.io.IOUtils
 import org.apache.hadoop.conf.Configuration
 import org.apache.hadoop.fs._

sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/state/StateStoreSuite.scala

@@ -25,15 +25,14 @@ import scala.collection.JavaConverters._
 import scala.collection.mutable
 import scala.util.Random
 
-import java.util
 import org.apache.commons.io.FileUtils
 import org.apache.hadoop.conf.Configuration
 import org.apache.hadoop.fs._
 import org.scalatest.{BeforeAndAfter, PrivateMethodTester}
 import org.scalatest.concurrent.Eventually._
 import org.scalatest.time.SpanSugar._
-import org.apache.spark._
 
+import org.apache.spark._
 import org.apache.spark.LocalSparkContext._
 import org.apache.spark.sql.SparkSession
 import org.apache.spark.sql.catalyst.expressions.{GenericInternalRow, UnsafeProjection, UnsafeRow}